public ActionResult DeleteToCar(int id = 0)
{
B_ShoppingCar b_ShoppingCar = db.B_ShoppingCar.Find(id);
db.B_ShoppingCar.Remove(b_ShoppingCar);
db.SaveChanges();
return(RedirectToAction("CartList"));
}
public void DeleteShoppingCar(int userID)
{
B_ShoppingCar sc = new B_ShoppingCar();
var q = from n in db.B_ShoppingCar
where n.UserID == userID
select n;
db.B_ShoppingCar.RemoveRange(q);
db.SaveChanges();
}
public string AddCart(int userID, int classID)
{
B_ShoppingCar car = CheckCart(userID, classID);
var Check_OrderDetail = db.B_OrderDetail.Where(o => o.B_Order.UserID == userID && o.ClassID == classID).FirstOrDefault();
string s = string.Empty;
if (Check_OrderDetail != null)
{
s = "已報名此課程";
return(s);
}
if (car == null)
{
car = new B_ShoppingCar();
car.UserID = userID;
car.ClassID = classID;
db.B_ShoppingCar.Add(car);
db.SaveChanges();
s = "";
return(s);
}
s = "課程已在購物車";
return(s);
}